Shugart 800-8 media centering problem

tony duell ard at
Sat Aug 15 12:32:41 CDT 2015

> Not so on these drives.  On the Shugart SA-800 series, the spindle
> (driven by a belt from a motor) has a MALE cone on the end, and the
> clamp, from above goes around it (female if you like).

How does that work? The disk media must fit around that male cone. Is the
complete disk carried by the clamp arm or something? I need to find one
of these drives to examine.

Seems like an odd way to do it. The metal cone is not going to change in
diameter. So the hole in the media has to just fit it, if too tight the media
will be distorted, if too loose it won't centre.


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